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             <h1 id="&#x5355;&#x901A;&#x9053;adc">&#x5355;&#x901A;&#x9053;ADC</h1>
<p>&#x963B;&#x585E;&#x6A21;&#x5F0F;&#x7684;ADC&#x4E0D;&#x662F;&#x5F88;&#x597D;&#x7528;&#xFF0C;&#x9700;&#x8981;&#x6211;&#x4EEC;&#x5728;&#x5FAA;&#x73AF;&#x4E2D;&#x4E00;&#x76F4;&#x8C03;&#x7528;<code>HAL_ADC_PollForConversion</code>&#x7B49;&#x51FD;&#x6570;&#x8FDB;&#x884C;&#x7B49;&#x5F85;&#x548C;&#x5224;&#x65AD;&#x662F;&#x5426;&#x5B8C;&#x6210;ADC&#x8F6C;&#x6362;&#xFF0C;&#x5176;&#x5927;&#x81F4;&#x7684;&#x6D41;&#x7A0B;&#x4E3A;&#xFF1A;&#x5F00;&#x59CB;&#x4E00;&#x6B21;ADC&#x2192;&#x7B49;&#x5F85;&#x8F6C;&#x6362;&#x7ED3;&#x675F;&#x2192;&#x5224;&#x65AD;&#x662F;&#x5426;&#x6210;&#x529F;&#x2192;&#x8BFB;&#x53D6;&#x503C;&#xFF0C;&#x8FD9;&#x6837;&#x4E00;&#x7C7B;&#x4E3B;&#x8FDB;&#x7A0B;&#x4F1A;&#x987F;&#x4E00;&#x5C0F;&#x4F1A;&#x3002;<strong>&#x800C;&#x4F7F;&#x7528;&#x4E2D;&#x65AD;&#x65B9;&#x5F0F;&#x7684;&#x8BDD;</strong>&#xFF1A;&#x4E3B;&#x8FDB;&#x7A0B;&#x5F00;&#x59CB;&#x8F6C;&#x6362;&#x2192;&#x4E2D;&#x65AD;&#x4E2D;&#x8BFB;&#x53D6;&#x503C;&#xFF0C;&#x53EF;&#x4EE5;&#x770B;&#x5230;&#x7528;&#x4E2D;&#x65AD;&#x7684;&#x65B9;&#x5F0F;&#x4F1A;&#x65B9;&#x4FBF;&#x5F88;&#x591A;&#xFF0C;&#x800C;&#x672C;&#x7AE0;&#x8282;&#x4F1A;&#x4ECB;&#x7ECD;&#x8BE5;&#x65B9;&#x6CD5;&#xFF1A;</p>
<h2 id="&#x5355;&#x901A;&#x9053;&#x91C7;&#x96C6;cubemx&#x914D;&#x7F6E;">&#x5355;&#x901A;&#x9053;&#x91C7;&#x96C6;CubeMX&#x914D;&#x7F6E;</h2>
<p>&#x540C;&#x6837;&#x662F;&#x5728;&#x5B8C;&#x6210;&#x683C;&#x5F0F;&#x5316;&#x8F93;&#x51FA;&#x7684;&#x5DE5;&#x7A0B;&#x57FA;&#x7840;&#x4E0A;&#x6253;&#x5F00;ADC&#xFF0C;&#x8FD9;&#x91CC;&#x5BF9;&#x4E32;&#x53E3;&#x7684;&#x683C;&#x5F0F;&#x5316;&#x8F93;&#x51FA;&#x4E0D;&#x5728;&#x8D58;&#x8FF0;&#xFF0C;&#x800C;ADC&#x7684;&#x4E2D;&#x65AD;&#x914D;&#x7F6E;&#x65B9;&#x6CD5;&#x5982;&#x4E0B;&#xFF1A;</p>
<p>&#x57FA;&#x7840;&#x7684;&#x914D;&#x7F6E;&#x53C2;&#x8003;&#x963B;&#x585E;&#x65B9;&#x5F0F;&#x7684;&#x65B9;&#x6CD5;&#xFF0C;&#x914D;&#x7F6E;PA0&#x4E3A;ADC1&#x7684;&#x901A;&#x9053;0&#xFF0C;&#x9ED8;&#x8BA4;&#x914D;&#x7F6E;</p>
<p><img src="&#x56FE;&#x7247;/&#x5355;&#x901A;&#x9053;&#x914D;&#x7F6E;.png" alt=""></p>
<p>&#x4E4B;&#x540E;&#x6253;&#x5F00;ADC&#x7684;&#x4E2D;&#x65AD;&#x5373;&#x53EF;&#xFF1A;</p>
<p><img src="&#x56FE;&#x7247;/&#x6253;&#x5F00;ADC&#x4E2D;&#x65AD;.png" alt=""></p>
<h2 id="&#x5355;&#x901A;&#x9053;&#x4EE3;&#x7801;&#x7F16;&#x5199;">&#x5355;&#x901A;&#x9053;&#x4EE3;&#x7801;&#x7F16;&#x5199;</h2>
<p>&#x4E3B;&#x51FD;&#x6570;&#x5728;&#x5B8C;&#x6210;&#x683C;&#x5F0F;&#x5316;&#x8F93;&#x51FA;&#x7684;&#x57FA;&#x7840;&#x4E0A;&#xFF0C;&#x5728;while(1)&#x6BCF;&#x9694;&#x4E00;&#x6BB5;&#x65F6;&#x95F4;&#x8C03;&#x7528;&#x4E00;&#x6B21;&#x5F00;&#x59CB;ADC&#x8F6C;&#x6362;:</p>
<pre><code class="lang-c">    HAL_ADC_Start_IT(&amp;hadc1);
    HAL_Delay(<span class="hljs-number">1000</span>);
</code></pre>
<p>&#x6211;&#x4EEC;&#x53EF;&#x4EE5;&#x8BD5;&#x7740;&#x5728;&#x4E3B;&#x51FD;&#x6570;&#x4E2D;&#x6572;&#x4E00;&#x4E0B;<code>hal_adc_call</code>&#x6765;&#x67E5;&#x770B;&#x6709;&#x54EA;&#x4E9B;&#x56DE;&#x8C03;&#x51FD;&#x6570;&#xFF1A;</p>
<p><img src="&#x56FE;&#x7247;/ADC&#x56DE;&#x8C03;&#x51FD;&#x6570;.png" alt=""></p>
<table>
<thead>
<tr>
<th>&#x51FD;&#x6570;&#x540D;</th>
<th>&#x542B;&#x4E49;</th>
</tr>
</thead>
<tbody>
<tr>
<td>ErrorCallback</td>
<td>ADC&#x8F6C;&#x6362;<strong>&#x9519;&#x8BEF;&#x65F6;</strong>&#x7684;&#x56DE;&#x8C03;&#x51FD;&#x6570;</td>
</tr>
<tr>
<td>ConvCpltCallback</td>
<td>ADC&#x8F6C;&#x6362;<strong>&#x5B8C;&#x6210;&#x65F6;</strong>&#x7684;&#x56DE;&#x8C03;&#x51FD;&#x6570;</td>
</tr>
<tr>
<td>ConvHalfCpltCallback</td>
<td>ADC&#x8F6C;&#x6362;<strong>&#x8FC7;&#x534A;&#x65F6;</strong>&#x7684;&#x56DE;&#x8C03;&#x51FD;&#x6570;</td>
</tr>
<tr>
<td>LevelOutOfWindowsCallback</td>
<td>ADC&#x8F6C;&#x6362;<strong>&#x8D85;&#x51FA;&#x8303;&#x56F4;&#x65F6;</strong>&#x7684;&#x56DE;&#x8C03;&#x51FD;&#x6570;</td>
</tr>
</tbody>
</table>
<p>&#x8FD9;&#x91CC;&#x6211;&#x4EEC;&#x4F7F;&#x7528;<strong>&#x5B8C;&#x6210;&#x65F6;</strong>&#x7684;&#x56DE;&#x8C03;&#x51FD;&#x6570;&#xFF0C;&#x5728;<code>main.c</code> &#x7684;&#x4E0B;&#x65B9;&#x7F16;&#x5199;&#x5982;&#x4E0B;&#x51FD;&#x6570;&#xFF1A;</p>
<pre><code class="lang-c"><span class="hljs-comment">/* USER CODE BEGIN 4 */</span>
<span class="hljs-keyword">uint16_t</span> adcValue = <span class="hljs-number">0</span>;
<span class="hljs-function"><span class="hljs-keyword">void</span> <span class="hljs-title">HAL_ADC_ConvCpltCallback</span><span class="hljs-params">(ADC_HandleTypeDef *hadc)</span>
</span>{
  adcValue = HAL_ADC_GetValue(&amp;hadc1);
  log_i(<span class="hljs-string">&quot;adc: %d &gt;&gt; %dmv&quot;</span>, adcValue, (<span class="hljs-keyword">int</span>)(adcValue * <span class="hljs-number">0.805</span>));
}
<span class="hljs-comment">/* USER CODE END 4 */</span>
</code></pre>
<p>&#x7F16;&#x8BD1;&#x4E0B;&#x8F7D;&#x540E;&#x80FD;&#x770B;&#x5230;&#x5982;&#x4E0B;&#x6548;&#x679C;&#xFF1A;</p>
<p><img src="&#x56FE;&#x7247;/ADC&#x5355;&#x901A;&#x9053;&#x4E2D;&#x65AD;&#x65B9;&#x5F0F;.png" alt=""></p>
<h1 id="&#x591A;&#x901A;&#x9053;&#x7684;adc">&#x591A;&#x901A;&#x9053;&#x7684;ADC</h1>
<h2 id="&#x591A;&#x901A;&#x9053;&#x91C7;&#x96C6;cubemx&#x914D;&#x7F6E;">&#x591A;&#x901A;&#x9053;&#x91C7;&#x96C6;CubeMX&#x914D;&#x7F6E;</h2>
<p>&#x591A;&#x901A;&#x9053;&#x65F6;&#x540C;&#x6837;&#x548C;&#x963B;&#x585E;&#x65B9;&#x5F0F;&#x7C7B;&#x4F3C;&#xFF0C;&#x914D;&#x7F6E;&#x65F6;&#x9700;&#x8981;&#x6253;&#x5F00;&#x626B;&#x63CF;&#x6A21;&#x5F0F;&#xFF1A;</p>
<p><img src="&#x56FE;&#x7247;/&#x591A;&#x4E2A;&#x901A;&#x9053;&#x8F93;&#x5165;.png" alt=""></p>
<p>&#x914D;&#x7F6E;&#x5404;&#x4E2A;&#x7B49;&#x7EA7;&#x5BF9;&#x5E94;&#x7684;&#x901A;&#x9053;&#xFF1A;</p>
<p><img src="&#x56FE;&#x7247;/&#x591A;&#x901A;&#x9053;&#x7684;&#x7B49;&#x7EA7;&#x8BBE;&#x7F6E;.png" alt=""></p>
<h2 id="&#x591A;&#x901A;&#x9053;&#x4EE3;&#x7801;&#x7F16;&#x5199;">&#x591A;&#x901A;&#x9053;&#x4EE3;&#x7801;&#x7F16;&#x5199;</h2>
<p>while(1) &#x91CC;&#x548C;&#x5355;&#x901A;&#x9053;&#x7684;&#x7F16;&#x5199;&#x65B9;&#x5F0F;&#x4E00;&#x6837;&#xFF0C;&#x5B9A;&#x65F6;&#x6253;&#x5F00;ADC&#x8F6C;&#x6362;&#x5373;&#x53EF;&#xFF1A;</p>
<pre><code class="lang-c">HAL_ADC_Start_IT(&amp;hadc1);
HAL_Delay(<span class="hljs-number">1000</span>);
</code></pre>
<p>&#x800C;&#x56DE;&#x8C03;&#x51FD;&#x6570;&#x4E2D;&#x9700;&#x8981;&#x81EA;&#x5DF1;&#x6253;&#x5F00;&#x591A;&#x6B21;&#x8F6C;&#x6362;&#xFF0C;&#x4EE5;&#x4E0B;&#x4EE3;&#x7801;&#x4EC5;&#x4F9B;&#x53C2;&#x8003;&#xFF0C;&#x56E0;&#x8BBE;&#x5907;&#x6709;&#x9650;&#x6682;&#x65F6;&#x9A8C;&#x8BC1;&#x4E0D;&#x4E86;&#x591A;&#x901A;&#x9053;ADC&#x7684;&#x51C6;&#x786E;&#x6027;&#xFF1A;</p>
<pre><code class="lang-c"><span class="hljs-comment">/* USER CODE BEGIN 4 */</span>
<span class="hljs-keyword">uint16_t</span> adcValue[<span class="hljs-number">3</span>] = {<span class="hljs-number">0</span>};
<span class="hljs-function"><span class="hljs-keyword">void</span> <span class="hljs-title">HAL_ADC_ConvCpltCallback</span><span class="hljs-params">(ADC_HandleTypeDef *hadc)</span>
</span>{
  <span class="hljs-keyword">static</span> <span class="hljs-keyword">uint8_t</span> channel = <span class="hljs-number">0</span>;
  adcValue[channel] = HAL_ADC_GetValue(&amp;hadc1);
  log_i(<span class="hljs-string">&quot;adc%d: %d &gt;&gt; %dmv&quot;</span>, channel, adcValue[channel], (<span class="hljs-keyword">int</span>)(adcValue[channel] * <span class="hljs-number">0.805</span>));
  channel++;
  <span class="hljs-keyword">if</span>(channel &gt;= <span class="hljs-number">3</span>)
  {
    channel = <span class="hljs-number">0</span>;
    log_i(<span class="hljs-string">&quot;complete\n\n&quot;</span>);
  }
  <span class="hljs-keyword">else</span> HAL_ADC_Start_IT(&amp;hadc1);
}
<span class="hljs-comment">/* USER CODE END 4 */</span>
</code></pre>
<p>&#x6D4B;&#x8BD5;&#x7ED3;&#x679C;&#x5982;&#x4E0B;&#xFF1A;</p>
<p><img src="&#x56FE;&#x7247;/ADC&#x591A;&#x901A;&#x9053;&#x4E2D;&#x65AD;&#x65B9;&#x5F0F;.png" alt=""></p>
 
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